US3123754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure transducer system
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FLUID PRESSURE TRANSDUCER WHICH COMPRISES: A BALANCE BEAM SUPPORTED FOR A MOVEMENT ABOUT A FULCRUM; PRESSURE RESPONSIVE BELLOWS MEANS OPERATIVELY CONNECTED TO SAID BALANCE BEAM FOR MOVEMENT THEREOF; ELECTRICAL MEANS ADAPTED TO PRODUCE A SIGNAL INDICATIVE OF THE MOVEMENT OF SAID BALANCE BEAM; MOTOR MEANS ROTATING AN OUTPUT SHAFT AND A FEEDBACK SHAFT IN RESPONSE TO SAID SIGNAL, THE ROTATION OF BOTH OF SAID SHAFTS BEING RELATED IN MAGNITUDE AND DIRECTION TO THE MOVEMENT OF SAID BALANCE BEAM;
Claim 2
Dependent Claim
79 words
A FLUID PRESSURE TRANSDUCER WHICH COMPRISES: A BALANCE BEAM SUPPORTED FOR A MOVEMENT ABOUT A FULCRUM; PRESSURE RESPONSIVE BELLOWS MEANS OPERATIVELY CONNECTED TO SAID BALANCE BEAM FOR MOVEMENT THEREOF; ELECTRICAL MEANS ADAPTED TO PRODUCE A SIGNAL INDICATIVE OF THE MOVEMENT OF SAID BALANCE BEAM; MOTOR MEANS ROTATING AN OUTPUT SHAFT AND A FEEDBACK SHAFT IN RESPONSE TO SAID SIGNAL, THE ROTATION OF BOTH OF SAID SHAFTS BEING RELATED IN MAGNITUDE AND DIRECTION TO THE MOVEMENT OF SAID BALANCE BEAM;
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |